Comments (1)
machow
commented on June 16, 2024
It looks like quite a few things can go into the FROM clause in a SELECT statement. If we just want to add support for subqueries here, I think we can just handle that case in the dml_expression_clause rule in the grammar.
https://github.com/datacamp/antlr-plsql/blob/master/antlr_plsql/plsql.g4#L1293
From what I can tell the three changes are:
- support a list of table expressions in the FROM clause (see this query)
- implement some AST structure for table aliases (see this query)
- handle subqueries in the FROM clause (see this query)
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Related Issues (16)
- implement offset clause for select statement
- write grammar rules for CREATE TABLE HOT 1
- Parser can't handle using some function names as column id HOT 4
- testing deployments to PyPI HOT 1
- ORDER BY parsing is incorrect HOT 1
- allow table_alias to use AS at beginning HOT 2
- AST shaping for into_clause HOT 2
- AST node omitted when using a NOT IN expression HOT 1
- SIZE keyword not valid column id HOT 1
- support for case when and subqueries HOT 1
- grammar bug: a INNER JOIN b has incorrect join_type HOT 1
- Bad support for aliases inside join statements HOT 4
- Difference in parsing WHERE if using parentheses and not
- Update README to be in line with antlr-tsql
- grammar uses binary_expression instead of expression often HOT 1
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